Home / 34,164.48-51,259.96-11,980.32

Finding the Fourth Proportional to 34,164.48, 51,259.96 and 11,980.32

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Solution

The fourth proportional to 34,164.48, 51,259.96 and 11,980.32 is: 17,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,164.48 : 51,259.96 = 11,980.32 : x
  2. Step 2: Convert to fraction form
    34,164.48/51,259.96 = 11,980.32/x
  3. Step 3: Cross multiply
    34,164.48x = 51,259.96 × 11,980.32
  4. Step 4: Simplify right side
    34,164.48x = 614,110,723.99
  5. Step 5: Solve for x
    x = 614,110,723.99/34,164.48
  6. Step 6: Final answer
    x = 17,975.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.